import java.io.*;
import java.util.*;
public class Example10_15 {
    public static void main(String[] args) {
        File file = new File("cost.txt");
        Scanner sc = null;
        int sum=0;
        try { sc = new Scanner(file);
            while (sc.hasNext()) {
                try {
                    int price = sc.nextInt();
                    sum = sum+price;
                    System.out.println(price);
                }
                catch (InputMismatchException exp) {
                    String t = sc.next();
                }
            }
            System.out.println("Total Cost:"+sum+" dollar");
        }
        catch (Exception exp) {
            System.out.println(exp);
        }
    }
}
